Construction of Limmattalbahn is set to begin in 2017, with the first section (extension of city tram route 2 to Schlieren) to open in 2019. Trolleybus route 31, which presently serves this route, will be cut back from Schlieren to Micafil in 2019 (the article in Limmattaler Zeitung mysteriously says no turning loop will need to be built at Micafil). Originally it was planned to divert tram route 2 to serve Bahnhof Altstetten, and this would have permitted the trolleybus to terminate at that location. However, with residents having succesfully petitioned to keep the tram on its present alignment, the trolleybus will continue to be required to assure a direct connection between Hermetschloo and Bahnhof Altstetten.